{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":479,"cluster_id":4790001513},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["469:4690000621","469:4690000256","479:4790001668","479:4790003013","489:4890004610","479:4790001677","479:4790003163","469:4690001376","479:4790003264","489:4890004070","479:4790003267","479:4790001139","472:4720005490","479:4790001502","496:4960003405","479:4790001062","469:4690005087","479:4790003680","479:4790003255","469:4690000894","479:4790001745","470:4700006603","479:4790003251","469:4690005356","469:4690001905"],"twin_admin_codes":[469,469,479,479,489,479,479,469,479,489,479,479,472,479,496,479,469,479,479,469,479,470,479,469,469],"twin_sims":[0.542305943505969,0.5367511869718871,0.5326301434856253,0.5250175324433373,0.49392161585329514,0.49258482935408643,0.420487445969558,0.41173106002681586,0.3926308485831656,0.39028787653145475,0.3545515786114555,0.35209612306753285,0.33246792855737145,0.32952714692690777,0.32703261657395416,0.3258772142781499,0.3238407016745182,0.31956833171057797,0.3156921824810754,0.3110173502206642,0.30114231001463787,0.2820531592626357,0.2796806815703346,0.278937470483004,0.2786507212921236],"twin_dists":[0.14367722452066828,0.14488087071454317,0.14577542088906936,0.14743169911516016,0.15425879575947776,0.1545548515694966,0.17095554487570883,0.1730194246551321,0.1775898083469745,0.17815737639203091,0.18702841104059384,0.1876541239374249,0.1927410798130087,0.19351704266998718,0.19417824409484036,0.19448543913059688,0.19502837495804165,0.19617361023141902,0.19722009832193002,0.19849194921062654,0.2012151375333882,0.20663187805296793,0.20732026350189905,0.2075366383401461,0.20762021483316231],"n_dims_used":45,"mean_confidence":0.9250267876519097},"coverage":{"mean_confidence":0.9250267876519097,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}